- 3 models: 35 60 and 100 watts - 4 inputs: 1 MIC 1 AUX 1 TEL plus 1 selectable MIC or AUX - Each input controlled by an independent volume control - Treble and bass controls - AUX muting by external contact closure for push-to-talk microphones - TEL input for telephone paging applications - TEL input voice-activated (VOX) mute over AUX input - Variable threshold for TEL input voice-activated AUX mute - Outputs for 4-ohm (direct) 8-ohm (C35 & C60 models only) and 16-ohm 25V and 70V speaker systems (transformer coupled) - Output jack to connect a recording device or booster amplifier - Output jack to connect a general-purpose 600-ohm matching transformer (model WMT1A) - Thermal protection and electronic shutdown - Rack mountable with accessory mounting kit (model RPK50) - Listed to UL standard 60065 for US and Canada